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职称英语
The senior professor told his students to______on their studies.A、be carefulB、p
The senior professor told his students to______on their studies.A、be carefulB、p
游客
2023-10-21
69
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问题
The senior professor told his students to______on their studies.
选项
A、be careful
B、pay attention
C、concern
D、concentrate
答案
D
解析
句意:老教授让他的学生专心学习。concentrate on专心,全神贯注。其他选项不可与on搭配。be careful小心,注意,可与in或of搭配。pay attention to注意。concernwith关心。
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